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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7281512 | Passively variable plenum volume for a vehicle intake manifold assembly An intake manifold assembly (10) includes a plenum (14) and a variable volume assembly (20). The variable volume assembly (20) includes a deformable member (22) and a biasing member (24). The biasing member (24) posit... | 10/16/2007 |
| 6901964 | Vehicle fuel pulse damper A fuel pressure pulse damper includes metallic damper body defining a chamber in which a flexible diaphragm is received in a manner to dampen fuel pressure pulses between a fuel pump and fuel injectors of a vehicle fuel system. The damper body includes a barbed fitt... | 06/07/2005 |
| 5896844 | Variable fuel injection system for internal combustion engines A variable fuel injection system for internal combustion engines is disclosed. In the injection system, a first control unit controls electromotive force for the solenoid coil of a fuel injector, thus controlling the amount of fuel to be injected from the... | 04/27/1999 |
| 5647316 | Injection arrangement for an internal combustion engine An injection arrangement for an internal combustion engine, especially a diesel engine, for injecting different pressure mediums directly into a cylinder of the engine, which arrangement includes a first valve (3), which is arranged to inject fuel, and a ... | 07/15/1997 |
| 5117794 | Fuel injection system A bistable fluidic switch is switched from its stable state by a pin inserted in the power nozzle of the bistable fluidic switch, the pin being controlled by an electromagnetic actuator which is controlled from an electronic computer. The fluidic switch e... | 06/02/1992 |
| 4570597 | Fluidially controlled fuel system An improved fuel delivery system which combines the advantages of an ultrasonic spray with fluidic metering of fuel. A fuel delivery system is provided which includes a plurality of fluidic controls each of which is responsive to a particular engine condi... | 02/18/1986 |
| 4535741 | Fuel metering method and device A fuel supply control system for an internal combustion engine is disclosed. The system comprises a means connecting to an air control apparatus, regulating flow of air into the engine, at least one chamber in fluid communication with the cylinders of the... | 08/20/1985 |
| 4150641 | Arrangement for controlling an air-fuel ratio of an air-fuel mixture of an internal combustion engine An arrangement for controlling the air-fuel ratio of an air-fuel mixture to be supplied to an internal combustion engine is disclosed. In the arrangement a fluidic element or fluidic elements, performing high frequency on-off control action, are arranged ... | 04/24/1979 |
| 4094284 | Emission control system Exhaust gas is recirculated to an intake manifold of an engine by a shut-off valve and a fluidic amplifier for modulation in accordance with different engine parameters. The shut-off valve is normally biased to a closed position and it is opened to permit... | 06/13/1978 |
| 4073274 | Air-fuel metering system for internal combustion engine and apparatus to control air fuel ratio of air-fuel being applied to engine An air-fuel metering system employs a fluidic element which is circuited in such a manner that fuel supplied to the engine induction passage is varied not only to the venturi vacuum as modified by an output signal from an exhaust gas sensor placed in flow... | 02/14/1978 |
| 4043303 | Air-fuel ratio control system for internal-combustion engines with controlled ignition An air-fuel ratio control system for internal-combustion engines with controlled ignition and fed by a liquid fuel, supplied through a main pump and which during the operation is at least partially deviated into a re-cycle circuit and which, as the thrott... | 08/23/1977 |
| 3967596 | Engine control systems An engine control system utilizes a vortex whistle for producing an acoustic signal the frequency of which varies with the rate of flow of air passing through the inlet manifold of the engine, and a control device for controlling an engine characteristic,... | 07/06/1976 |
| 3938486 | Pneumatically controlled fuel injection system A fuel system for an internal combustion engine employs fluid logic and amplifier devices for monitoring and processing pressures from both a venturi and inlet manifold to measure the air inducted into the engine and provides pneumatically controlled fuel... | 02/17/1976 |
| 3937195 | Constant mass air-fuel ratio fluidic fuel-injection system A fluidic implementation of a constant mass airfuel ratio fuel-injection system which may be utilized, for example, in an internal combustion engine. The system includes a fluidic mass air flow sensor that produces a pressure oscillation in direct proport... | 02/10/1976 |
